来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/11 01:30:21
脱式计算3.75-6.8*0.26 (9-2.35)*0.64 用简便78.7-17.7*3.6 9.9*(101-9.9)拜托了各位 谢谢
3.75-6.8*0.26 =3.75-1.768 =1.982 (9-2.35)*0.64 =6.65*0.64 =4.256 78.7-17.7*3.6 =78.7-63.72 =14.98 9.9*(101-9.9) =9.9*91.1 =901.89